Lucas Jose Ghione

Head of Administration

Lucas has joined our Buenos Aires team in 2017. He holds a BA in International Commerce/Trade and has worked in several administrative and accounting positions, one of them being in Australia. With a strong background in commerce and finance, he adds expertise to our accounting department, to streamline operations and implement improvements and new solutions.

Lucas is fluent in English and knowledgeable in Portuguese.

Sandra Sethi

Administration & Accounting

Sandra joined our team in 2015 being responsible for the routine administration and the accounts handling of the office.

She graduated from the Fundacao Getulio Vargas FGV University in 2012 with a degree in Business Administration. Prior joining our company, she was managing an International Business Consulting firm for 5 years. She is fluent in Portuguese, and knowledgeable in English and Spanish.

Juliana Melo Calixto Da Silva


Juliana joined our team in 2022. Juliana provides general administrative assistance to Rio surveyors as well as being responsible for all receivables from invoicing to fee collection supervision for all our offices in South America.

She holds a BA from UVA (Universidade Veiga de Almeida) and concurrently with her job works towards acquiring an MBA in Foreign Trade from IBMR University Center.

Raquel Correa Diniz


Raquel joined our team in 2022.

Raquel is responsible for accounts payable for all our offices in South America, including expenses and liabilities control, organization, allocation, registration, budgeting, analysis, and reporting.

She is soon to acquire her BA in Biology from UFRJ (Universidade Federal do Rio de Janeiro).

Raquel is fluent in English and in Spanish.


Giovanna Barros